Finding the Fourth Proportional to 7,772,592.65, 10,724,249.52 and 5,123,146.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,772,592.65 : 10,724,249.52 = 5,123,146.55 : x
2. Step 2: Convert to fraction form
   7,772,592.65/10,724,249.52 = 5,123,146.55/x
3. Step 3: Cross multiply
   7,772,592.65x = 10,724,249.52 × 5,123,146.55
4. Step 4: Simplify right side
   7,772,592.65x = 54,941,901,876,105.91
5. Step 5: Solve for x
   x = 54,941,901,876,105.91/7,772,592.65
6. Step 6: Final answer
   x = 7,068,671.21